DIN EN 60169-21:1998-02
Действует
Radio-frequency connectors - Part 21: Two types of radio-frequency connectors with inner diameter of outer conductor 9,5 mm (O,374 in) with different versions of screw coupling - Characteristic impedance 50 <Ohm> (Types SC-A and SC-B) (IEC 60169-21:1985 + A1:1996); German version EN 60169-21:1997
— 19 стр.
